/*
 * Copyright (c) 2020-2021 VMware Inc. or its affiliates, All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package reactor.core.publisher;

import org.junit.jupiter.api.Test;

import reactor.core.Scannable;
import reactor.test.StepVerifier;
import reactor.util.context.Context;

import static org.assertj.core.api.Assertions.assertThat;

class FluxDeferContextualTest {

	@Test
	void transformDeferredWithContext() {
		final Flux<String> flux = Flux
				.just("foo")
				.transformDeferredContextual((s, ctx) -> s.map(v -> v + " for " + ctx.getOrDefault("requestId", "NO ID")))
				.contextWrite(Context.of("unrelatedKey", true));

		flux.contextWrite(Context.of("requestId", "aA1"))
		    .as(StepVerifier::create)
		    .expectNext("foo for aA1")
		    .verifyComplete();

		flux.contextWrite(Context.of("requestId", "bB2"))
		    .as(StepVerifier::create)
		    .expectNext("foo for bB2")
		    .verifyComplete();

		flux.as(StepVerifier::create)
		    .expectNext("foo for NO ID")
		    .verifyComplete();
	}

	@Test
	void scanOperator(){
		FluxDeferContextual<Integer> test = new FluxDeferContextual<>(context -> Flux.just(1));

		assertThat(test.scan(Scannable.Attr.RUN_STYLE)).isSameAs(Scannable.Attr.RunStyle.SYNC);
	}
}